Amilo Pi2450 power supply issue

[xpcpu]

i have the above laptop that has a fried DC jack on the bottom of the laptop it states the DC should be 20v / 4.5a.

the previous owner has tried 2 chargers over the time they had it and smoke came out after approx 6 months of use each time, this tends to make me believe that there is too much current going into the laptop. (could be wrong )

I have had a look online for adapters for it and there seems to be conflicting info on what power the adapter should be

20v / 4.5a (states on bottom of case)
20v / 3.25a

Now!

I am getting a Pi2530 motherboard to replace the dead motherboard but have the same issue with the Adapter rating for this,

20v / 3.25
or
19v / 4.74a


which do i get!!!!!!!!!!!


any advice is appreciated.

 

[bees]

20v definetely, fujitsu lappy never used 19v. Either 20v 3.25a or 4.5a. Using 20v 4.5a is better than 3.25a hence more amps is safer than less amps.

 

[xpcpu]

thanks for that.

don't need another fried board

 

[beermonster]

Board probably fried due to bad solder joint on the dc Jack it will cause arcing and burn the board out

 

[xpcpu]

The jack has melted along with a few surface mount components next to it.
so when i get the new board it should hopefully be ok.

thanks for the help.